subnet.delete is done
merged from upstream. Hurray to using Subnet().<operation.>
make xunit reports to be collected. Commenting processes property
nose groups added.
Few pylint fixes
lib/common/helpers.py
adding doc
Merge pull request #151 from kbidarkar/pylint-fixes

Few pylint fixes
no TODOs
pep E128
adding executable header too
unused constant + header
Merge pull request #149 from gkhachik/subnet

Subnets CRUD - done.
using --search in list command. thanks @omaciel
Merge pull request #153 from gkhachik/env

done with: environment CRUD